CN209033384U - A kind of medical injection pump - Google Patents

Abstract

The utility model relates to the field of medical instrument technology more particularly to a kind of medical injection pumps.The medical injection pump includes upper shell component, lower shell component, rod assembly, pushing block component, transmission component, driving motor and control unit；Syringe is mounted in syringe mounting groove, the clamping portion of rod assembly is then in radial clamping syringe, injection tube tail is along limit in limiting slot, syringe push handle is clamped by the holing clip of pushing block component, is connect respectively with the driving gear pair by holing clip and driving spanner, is pulled driving spanner, holing clip is opened or clamping push handle, control unit controls driving motor, and then drives pushing block shell to be axially moved along syringe by transmission component, to realize injection operation；The reliable Portable safety of whole operation process is injected accurate high；By the setting of rotatable fixed frame, the installation position of syringe can be adjusted according to the specific environment of hospital bed, facilitated in user installation to lateral fixed link, the more flexible Portable safety of use.

Description

A kind of medical injection pump

Technical field

The utility model relates to the field of medical instrument technology more particularly to a kind of medical injection pumps.

Background technique

Currently, medical injection pump is widely used in medical instrument.Medical injection pump, which is primarily adapted for use in, to be needed for a long time, In the even clinical treatment for accurately controlling injection speed and monitoring injection process, thus it can be widely applied to the normal of clinical departments The chemotherapy for advising intravenous, anesthetic injection, anti-coagulants injection and cancer patient, is also applied for medical intensive patient prison Protect hospital bed, neurology department's critically ill patient care unit etc..

However existing medical injection pump injection tube install and the control of push handle on it is convenient reliable not enough, and The superposition of existing syringe pump is not provided with rotatable fixed frame when using, and cause using when cannot be attached to lateral fixed link On, inconvenient for use, safety is bad.

Therefore, in view of the foregoing drawbacks, it is desirable to provide a kind of medical injection pump.

Utility model content

(1) technical problems to be solved

The technical problem to be solved by the present invention is to provide a kind of reliable Portable safety of operation, injection are accurate and intelligent The high medical injection pump of degree.

(2) technical solution

In order to solve the above technical problems, the utility model provides a kind of medical injection pump, including upper shell component, lower casing group Part, rod assembly, pushing block component, transmission component, driving motor and control unit；Upper shell component, lower shell component are detachably connected, The front of the lower shell component is provided with syringe mounting groove, and rod assembly is telescopically threaded through the syringe mounting groove Lower section, and the outer end protrusion of rod assembly is provided with the clamping portion with the cooperation of the body profile of the syringe, the syringe The position of the close syringe tail end of mounting groove has the limiting slot for limiting injection tube tail edge；The pushing block component includes using It is arranged in the holing clip of clamping syringe push handle, pushing block shell, driving gear pair and driving spanner, the driving gear pair in institute State in pushing block shell, the two sides of the pushing block shell are arranged in the holing clip and the driving spanner, and respectively with the biography The connection of movable tooth wheel set；The pushing block shell is connect by transmission component with driving motor, and the transmission component and driving motor are set It sets in the lower casing component internal, described control unit is arranged in the upper shell component, the driving motor and the control Unit connection.

Wherein, the surface of the upper shell component is embedded alarm indication unit, and the alarm indication unit and the control are single Member connection.

Wherein, the syringe mounting groove is provided with the first microswitch, and the microswitch and described control unit connect It connects, radial position information of the syringe in syringe mounting groove is transferred to control unit.

Wherein, the driving gear pair include master gear, engaged with master gear first from gear and with first from tooth From gear, the holing clip includes the first clip connecting with first from gear and connects with second from gear the second of wheel engagement The second clip connect, the master gear should drive described first from gear mesh from gear and described second for driving described first It is mobile to the direction of close syringe while clip and second clip rotation are to be matched for clamping tightly syringe, or for driving Moving described first should drive first clip and second clip to rotate to cooperate from gear and described second from gear mesh It unclamps mobile to the direction far from syringe while syringe.

Wherein, the master gear, described first from gear and described second from gear be helical gear；Described first from The rotation direction of gear is opposite from the rotation direction of gear with described second；The master gear is incomplete internal gear, described the One from gear be complete external gear, described second from gear be incomplete external gear.

Wherein, the transmission component connecting rod, sliding block, supporting guide and screw rod, the sliding block setting are led in the support On rail, the sliding block is fixedly connected with one end of the connecting rod, and the other end of the connecting rod is connect with the pushing block shell, The sliding block and the wire rod thread cooperate, and the screw rod is connect with the driving motor by transmission gear.

It wherein, further include the rotatable fixed frame that upper shell component and lower casing component side are set, the rotatable fixation Frame includes rotation fixed plate, rotation plectrum, rotary shaft, U-shaped fixed frame ontology, rotation fixed spring, pushes up and hold component, and rotation is fixed Plate is fixed on upper shell component and lower casing component side, and rotates and open up cross recess on the outside of fixed plate, and rotary shaft passes through the U-shaped The bottom of fixed frame ontology is mounted in rotation fixed plate with rotation plectrum and by the U-shaped fixed frame ontology, and the rotation is dialled For piece between the rotation fixed plate and U-shaped fixed frame ontology, the bottom surface of the U-shaped fixed frame ontology, which has, accommodates the rotation The groove body for transferring piece, setting rotation fixed spring between the rotation plectrum and the U-shaped fixed frame ontology, component is held on the top It is arranged on the U-shaped fixed frame ontology, the U-shaped fixed frame ontology top is held on infusion fixing piece.

Wherein, it includes knop, mandril and top plate that component is held on the top, and the mandril is threaded through U-shaped fixed frame ontology On, the knop is fixed on one end of the mandril, and the top plate is fixed on the other end of the mandril, and the rotation is solid Support plate is additionally provided between fixed board and the upper shell component and lower casing component side.

Wherein, the upper shell component two, which is surveyed, is provided with superposition groove, below the lower shell component two sides be provided with it is described It is superimposed the superposition tongue of groove cooperation.

(3) beneficial effect

When the above-mentioned technical proposal of the utility model has the advantages that injection, the pull rod of rod assembly, syringe are pulled out It is mounted in syringe mounting groove, then in radial clamping syringe, injection tube tail is being limited along limit for the clamping portion of rod assembly Position slot in, syringe push handle by pushing block component holing clip clamp, by holing clip and drive spanner respectively with the driving cog Wheel set connection, pulls driving spanner, is driven through transmission gear, and holing clip is opened or clamping push handle, control unit control driving electricity Machine, and then drive pushing block shell to be axially moved along syringe by transmission component, to realize injection operation；Whole operation process can By Portable safety, accurate high, intelligence degree height is injected；It, can be according to the specific of hospital bed by the setting of rotatable fixed frame Environment adjusts the installation position of syringe, facilitates in user installation to lateral fixed link, the more flexible Portable safety of use.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model medical injection pump；

Fig. 2 is the positive structure diagram of the utility model medical injection pump；

Fig. 3 is the overlooking structure diagram of the utility model medical injection pump；

Fig. 4 is the assembling structure schematic diagram of the rotatable fixed frame in the utility model medical injection pump.

In figure: 1, alarm display lamp；2, indicator gate；3, key；4, it is superimposed groove；5, it is superimposed tongue；6, syringe Mounting groove；7, rod assembly；8, pushing block component；9, upper shell component；10, lower shell component；11, limiting slot；12, U-shaped fixed frame sheet Body；13, plectrum is rotated；14, fixed plate is rotated；15, component is held on top；16, support plate；17, rotary shaft；18: rotation fixed spring； 19: gasket；20: screw；801: holing clip；802: driving spanner.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

In the description of the utility model, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or Imply relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Medical injection pump provided by the utility model includes upper shell component 9, lower shell component 10, rod assembly 7, pushing block component 8, transmission component, driving motor and control unit；Upper shell component 9, lower shell component 10 are detachably connected, the lower shell component 10 Front is provided with syringe mounting groove 6, and rod assembly 7 is telescopically threaded through the lower section of the syringe mounting groove 6, and draws The outer end protrusion of bar assembly 7 is provided with the clamping portion with the cooperation of the body profile of the syringe, the syringe mounting groove 6 There is the limiting slot 11 for limiting injection tube tail edge close to the position of syringe tail end；The pushing block component 8 includes for pressing from both sides Holing clip 801, pushing block shell, driving gear pair and the driving spanner 802 of syringe push handle are held, the driving gear pair setting exists In the pushing block shell, the holing clip 801 and the two sides for driving spanner 802 that the pushing block shell is set, and respectively It is connect with the driving gear pair；The pushing block shell is connect by transmission component with driving motor, the transmission component and drive Dynamic motor is arranged inside the lower shell component 10, and described control unit is arranged in the upper shell component 9, the driving motor It is connect with described control unit, wherein control unit includes the key 3 being arranged in upper shell component 9.

In above-described embodiment, when injection, the pull rod of rod assembly 7 is pulled out, syringe is mounted in syringe mounting groove 6, The clamping portion of rod assembly 7 then in radial clamping syringe, injection tube tail along limit in limiting slot 11, syringe push handle by The holing clip 801 of pushing block component 8 clamps, and is connect respectively with the driving gear pair by holing clip 801 and driving spanner 802, Driving spanner 802 to be pulled, is driven through transmission gear, holing clip 801 is opened or clamping push handle, control unit control driving motor, And then drive pushing block shell to be axially moved along syringe by transmission component, to realize injection operation；The injection of whole operation process It is accurate it is reliable and secure, intelligence degree is high.

Preferably, the surface of upper shell component 9 is embedded alarm indication unit, the alarm indication unit and described control unit Connection, alarm indication unit specifically include alarm display lamp 1 and indicator gate 2；Syringe mounting groove 6 is provided with the first fine motion Switch, the microswitch is connect with described control unit, by radial position information of the syringe in syringe mounting groove 6 It is transferred to control unit, when syringe is in the case where syringe mounting groove 6 has been fitted without, the first microswitch is experienced different Often, i.e., exception information is passed into control unit, control unit is connect with alarm indication unit, issues alarm signal and display letter Number.

Specifically, the driving gear pair include master gear, engaged with master gear first from gear and with first from Gear engagement second from gear, the holing clip 801 include the first clip being connect with first from gear and with second from Second clip of gear connection, the master gear should drive institute from gear mesh from gear and described second for driving described first It is mobile to the direction of close syringe while the first clip and second clip rotation are stated to be matched for clamping tightly syringe, or For driving described first first clip and second clip should be driven to rotate from gear mesh from gear and described second It is unclamped with cooperating mobile to the direction far from syringe while syringe.

Further, master gear, described first are helical gear from gear and described second from gear, pass through helical gear Setting, it is ensured that master gear driving described first from gear and described second from gear mesh should drive first clip and To mobile close to the direction of syringe while the second clip rotation is to be matched for clamping tightly syringe；Described first from gear Rotation direction is with described second from the rotation direction of gear on the contrary, the first clip and the second frame is driven to cramp out or tighten in turn； The master gear is incomplete internal gear, and described first from gear is complete external gear, and described second from gear is not exclusively outer Gear, first is arranged inside master gear from gear and second from gear.

Specifically, the transmission component connecting rod, sliding block, supporting guide and screw rod, the sliding block are arranged in the support On guide rail, the sliding block is fixedly connected with one end of the connecting rod, and the other end of the connecting rod and the pushing block shell connect It connects, the sliding block and the wire rod thread cooperate, and the screw rod is connect with the driving motor by transmission gear.Driving motor Screw rod rotation is driven by transmission gear, screw rod rotation band movable slider moves on supporting guide, and then drive connection bar is axial It is mobile, so that pushing block be driven to move axially, realize the intelligent control of injection.

It preferably, further include the rotatable fixed frame that upper shell component 9 and lower 10 side of shell component are set, it is described rotatable Fixed frame includes rotation fixed plate 14, rotation plectrum 13, rotary shaft 17, U-shaped fixed frame ontology 12, rotation fixed spring 18, top Component 15 is held, rotation fixed plate 14 is fixed on upper shell component 9 and lower 10 side of shell component, and rotates and open up ten on the outside of fixed plate 14 Word groove, rotary shaft 17 pass through bottom and the rotation plectrum 13 and by the U-shaped fixed frame ontology of the U-shaped fixed frame ontology 12 12 are mounted in rotation fixed plate 14 (the inner end setting screw 20 and gasket 19 of rotary shaft 17), and the rotation plectrum 13 is located at institute It states between rotation fixed plate 14 and U-shaped fixed frame ontology 12, the bottom surface of the U-shaped fixed frame ontology 12, which has, accommodates the rotation The groove body of plectrum 13, setting rotation fixed spring 18, described between the rotation plectrum 13 and the U-shaped fixed frame ontology 12 Top is held component 15 and is arranged on the U-shaped fixed frame ontology 12, and the U-shaped fixed frame ontology 12 top is held in infusion fixing piece On.

The rotation process of rotatable fixed frame specifically: keep rotation plectrum 13 solid into U-shaped from the translot of cross recess In the groove body for determining the bottom surface of frame ontology 12, rotation fixed spring 18 is compressed, and 90 degree of U-shaped fixed frame ontology is rotated, and rotates plectrum 13 are located at position corresponding with cross recess vertical slot, and under the pressure of rotation fixed spring 18, it is recessed that rotation plectrum 13 enters cross In slot vertical slot, the clamping setting of U-shaped fixed frame ontology 12 and rotation fixed plate 14 after rotation is realized；Pass through rotatable fixed frame Setting, can adjust the installation position of syringe according to the specific environment of hospital bed, facilitate user installation to lateral fixed link On, it is arranged by the above structure of rotatable fixed frame, rotatable fixed frame can be rotated by 360 °, and use is more flexible convenient Safety,.

Specifically, it includes knop, mandril and top plate that component 15 is held on top, and the mandril is threaded through U-shaped fixed frame ontology On 12, the knop is fixed on one end of the mandril, and the top plate is fixed on the other end of the mandril, the rotation Support plate 16 is additionally provided between fixed plate 14 and the upper shell component 9 and lower 10 side of shell component.Rotate knop, top Bar drives top plate rotation, until top plate holds out against infusion fixing piece, it can also be the shield of hospital bed that infusion fixing piece, which can be infusion support, Column.

Preferably, upper shell component two sides are provided with superposition groove 4, and two sides are provided with below the lower shell component folds with described The superposition tongue 5 for adding groove 4 to cooperate passes through a superposition groove 4 for medical injection pump and folding for each and every one another medical injection pump Add tongue 5 to cooperate, two medical injection pumps can be used in conjunction with, so as to be grasped simultaneously to two syringes Make.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into modification.

Claims (9)

1. a kind of medical injection pump, which is characterized in that including upper shell component, lower shell component, rod assembly, pushing block component, transmission Component, driving motor and control unit；Upper shell component, lower shell component are detachably connected, and the front of the lower shell component is provided with Syringe mounting groove, rod assembly is telescopically threaded through the lower section of the syringe mounting groove, and the outer end of rod assembly is convex It is provided with the clamping portion with the cooperation of the body profile of the syringe out, the close syringe tail end of the syringe mounting groove Position has the limiting slot for limiting injection tube tail edge；The pushing block component includes the clamping for clamping syringe push handle Folder, pushing block shell, driving gear pair and driving spanner, the driving gear pair are arranged in the pushing block shell, the clamping The two sides of the pushing block shell are arranged in folder and the driving spanner, and connect respectively with the driving gear pair；The pushing block Shell is connect by transmission component with driving motor, and the transmission component and driving motor are arranged in the lower casing component internal, Described control unit is arranged in the upper shell component, and the driving motor is connect with described control unit.

2. medical injection pump as described in claim 1, which is characterized in that the surface of the upper shell component is embedded alarm indication list Member, the alarm indication unit are connect with described control unit.

3. medical injection pump as described in claim 1, which is characterized in that the syringe mounting groove is provided with the first fine motion and opens It closes, the microswitch is connect with described control unit, and radial position information of the syringe in syringe mounting groove is passed It is handed to control unit.

4. medical injection pump as described in claim 1, which is characterized in that the driving gear pair includes master gear and main tooth The first of wheel engagement from gear and with first engaged from gear second from gear, the holing clip includes with first from gear First clip of connection and the second clip for connect with second from gear, the master gear are used to drive described first from gear While first clip and second clip should being driven to rotate to be matched for clamping tightly syringe from gear mesh with described second It is mobile to the direction close to syringe, or for drive described first should drive from gear and described second from gear mesh it is described First clip and second clip rotation are unclamped mobile to the direction far from syringe while syringe with cooperating.

5. medical injection pump as claimed in claim 4, which is characterized in that the master gear, described first are from gear and institute State second from gear be helical gear；Described first from the rotation direction of gear with described second from the rotation direction phase of gear Instead；The master gear is incomplete internal gear, and described first from gear is complete external gear, and described second from gear is incomplete External gear.

6. medical injection pump as described in claim 1, which is characterized in that the transmission component connecting rod, sliding block, supporting guide And screw rod, the sliding block are arranged on the supporting guide, the sliding block is fixedly connected with one end of the connecting rod, the company The other end of extension bar is connect with the pushing block shell, and the sliding block and the wire rod thread cooperate, the screw rod and the driving Motor is connected by transmission gear.

7. medical injection pump as claimed in any one of claims 1 to 6, which is characterized in that further include being arranged in upper shell component under The rotatable fixed frame of shell component side, the rotatable fixed frame are solid including rotation fixed plate, rotation plectrum, rotary shaft, U-shaped Determine frame ontology, rotation fixed spring, push up and hold component, rotation fixed plate is fixed on upper shell component and lower casing component side, and rotates Open up cross recess on the outside of fixed plate, rotary shaft passes through bottom and the rotation plectrum and by the U-shaped of the U-shaped fixed frame ontology Fixed frame ontology is mounted in rotation fixed plate, the rotation plectrum be located at the rotation fixed plate and U-shaped fixed frame ontology it Between, the bottom surface of the U-shaped fixed frame ontology has the groove body for accommodating the rotation plectrum, and the rotation plectrum and the U-shaped are solid Determine setting rotation fixed spring between frame ontology, the top is held component and is arranged on the U-shaped fixed frame ontology, by the U It holds on infusion fixing piece on shape fixed frame ontology top.

8. medical injection pump as claimed in claim 7, which is characterized in that it is described top hold component include knop, mandril and Top plate, the mandril are threaded through on U-shaped fixed frame ontology, and the knop is fixed on one end of the mandril, the top plate It is fixed on the other end of the mandril, is additionally provided between the rotation fixed plate and the upper shell component and lower casing component side Support plate.

9. medical injection pump as claimed in claim 8, which is characterized in that the upper shell component two sides are provided with superposition groove, Two sides are provided with and the superposition tongue for being superimposed groove cooperation below the lower shell component.